Anchalee Sawatthum. (2020) Role of Stingless Bee, Tetragonula pegdeni and European Honey Bee, Apis mellifera in the Pollination of Confectionery Sunflower. <i>Thai Journal of Science and Technology</i>, <i>9</i>(3), 368-377.Anchalee Sawatthum. "Role of Stingless Bee, Tetragonula pegdeni and European Honey Bee, Apis mellifera in the Pollination of Confectionery Sunflower". Thai Journal of Science and Technology 9 (2020):368-377.Anchalee Sawatthum. Role of Stingless Bee, Tetragonula pegdeni and European Honey Bee, Apis mellifera in the Pollination of Confectionery Sunflower. Thammasat University:ม.ป.ท. 2020.